Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 868)

: Direct AF Point Selection
During metering, you can select an AF point directly with the < > or < > dial without
pressing the < > button.
* 4: To set the direction for switching AF points with the < > dial, press the < > button when
the Quick control dial setting screen is displayed. [ Horizontal ] and [ Vertical ] settings for
[ Direction: AF point switching ] apply to Spot AF, 1-point AF, Expand AF area: (manual
selection), and Expand AF area: Surround, and [ Cycle through the zones ], [ Horizontal ], and
[ Vertical ] settings for [ Direction: Zone AF frame switch ] apply to Zone AF.
* 5: To select AF point switching ([ Switch to center AF point ] or [ Switch to registered AF point ])
when you press the center of < >, press the < > button when the Multi-controller setting
screen is displayed. For instructions on registering AF points, see Registering the AF Point .
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